CN114542004A - Adjustable guide pipe tool for installing rotary blowout preventer on wellhead of offshore platform diverter - Google Patents
Adjustable guide pipe tool for installing rotary blowout preventer on wellhead of offshore platform diverter Download PDFInfo
- Publication number
- CN114542004A CN114542004A CN202210027520.6A CN202210027520A CN114542004A CN 114542004 A CN114542004 A CN 114542004A CN 202210027520 A CN202210027520 A CN 202210027520A CN 114542004 A CN114542004 A CN 114542004A
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- pipe
- tool
- clamping
- diverter
- tube
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- 230000003014 reinforcing effect Effects 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 238000009434 installation Methods 0.000 claims description 16
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005553 drilling Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/06—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers
- E21B33/064—Blow-out preventers, i.e. apparatus closing around a drill pipe, e.g. annular blow-out preventers specially adapted for underwater well heads
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B33/00—Sealing or packing boreholes or wells
- E21B33/02—Surface sealing or packing
- E21B33/03—Well heads; Setting-up thereof
- E21B33/035—Well heads; Setting-up thereof specially adapted for underwater installations
- E21B33/038—Connectors used on well heads, e.g. for connecting blow-out preventer and riser
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
Abstract
The invention provides an adjustable guide pipe tool for installing a rotary blowout preventer on a wellhead of a offshore platform diverter, wherein a drainage pipe adopts a tubular structure with a funnel-shaped upper part, a drainage pipe quick connector is formed at the tail end of the drainage pipe, an upper connector of a clamping pipe is formed at the head end of the clamping pipe, the tail end of the drainage pipe is connected with the head end of the clamping pipe, an outer sleeve is sleeved at the middle part of the clamping pipe, reinforcing ribs are uniformly distributed between the outer wall of the clamping pipe and the inner wall of the outer sleeve, a drainage hole penetrating through the clamping pipe is formed in the clamping pipe at the connecting part of the clamping pipe and the outer sleeve, a lower connector of the clamping pipe is formed at the tail end of the clamping pipe, a base tool quick connector is formed at the head end of a base tool, and the tail end of the clamping pipe is connected with the head end of the base tool. This honeycomb duct instrument is under the shunt well head condition of not demolising, and the honeycomb duct is gone into down to the realization and is connected and throw off with the shunt well head, improves the operating efficiency, realizes the well head zero release, and the guarantee well head is fixed firm.
Description
Technical Field
The invention relates to the technical field of pressure control drilling and underbalance drilling operation of offshore platforms with diverter wellheads, in particular to an adjustable guide pipe tool for mounting a rotary blowout preventer on a diverter wellhead of an offshore platform.
Background
At present, when pressure control drilling and underbalance drilling are carried out, the initial land operation mode is used, and a diversion pipe matched with a rotary blowout preventer leads backflow to an elevated tank in a mode of heightening a cylinder and a backflow hose. The diverter wellhead is required to be integrally removed during installation of an offshore platform with the diverter wellhead, a self-made return hose and an elevated tank joint are 12-inch hard pipes, the joint cannot be fully sealed, zero emission cannot be realized at a horn mouth, and the wellhead shakes seriously in stormy waves and ocean currents.
Disclosure of Invention
The invention overcomes the defects in the prior art, the diverter wellhead needs to be integrally dismantled during the installation of an offshore platform with the diverter wellhead, the joint of a self-made return hose and an elevated groove is a 12-inch hard pipe, the joint cannot realize full sealing, zero emission cannot be realized at a bell mouth, the wellhead shakes seriously in stormy waves and heavy ocean currents, and the adjustable guide pipe tool for installing the rotary blowout preventer on the offshore platform diverter wellhead is provided.
The purpose of the invention is realized by the following technical scheme.
An adjustable guide pipe tool for installing a rotary blowout preventer on a wellhead of a diverter of an offshore platform comprises a guide pipe, a clamping pipe and a base tool,
the drainage tube adopts a funnel-shaped tubular structure at the upper part, a drainage tube quick connector is formed at the tail end of the drainage tube, an upper connector of a clamping tube is formed at the head end of the clamping tube, the tail end of the drainage tube is connected with the head end of the clamping tube through the drainage tube quick connector and the upper connector of the clamping tube, an outer sleeve is sleeved at the middle part of the clamping tube, reinforcing ribs are uniformly distributed between the outer wall of the clamping tube and the inner wall of the outer sleeve, a drainage hole penetrating through the clamping tube is formed on the clamping tube at the connecting part of the clamping tube and the outer sleeve, a lower connector of the clamping tube is formed at the tail end of the clamping tube, a quick connector of a base tool is formed at the head end of the base tool, and the tail end of the clamping tube is connected with the head end of the base tool through the lower connector of the clamping tube and the quick connector of the base tool, the lower part of the base tool is a base matched with the rotary blowout preventer.
Adjustable honeycomb duct instrument still includes the adjustment pipe the head end of adjustment pipe forms an adjustment pipe top connection, through adjustment pipe top connection with the centre gripping pipe lower clutch will the tail end of centre gripping pipe with the head end of adjustment pipe links to each other the tail end of adjustment pipe forms an adjustment pipe lower clutch, through adjustment pipe lower clutch with base instrument quick-operation joint will the tail end of adjustment pipe with the head end of base instrument links to each other, and then realizes utilizing the adjustment pipe to adjust the purpose of clamping part (centre gripping pipe and adjustment pipe) height promptly.
2 symmetrical adjusting pipe hoisting points are formed on the outer wall of the adjusting pipe.
2 symmetrical drainage tube hoisting points are formed at the head end of the outer wall of the drainage tube, and the drainage tube is a tube body with the outer diameter of 13 inches.
The centre gripping pipe adopts the external diameter to be 13 cuns bodys, outer sleeve pipe adopts the external diameter to be 24 cuns bodys.
The number of the drain holes is 4, and the drain holes are symmetrically arranged.
2 symmetrical clamping pipe hoisting points are formed on the outer wall of the outer sleeve at the joint of the clamping pipe and the outer sleeve.
2 symmetrical base tool hoisting points are formed on the outer wall of the base tool.
A method for using an adjustable guide pipe tool for installing a rotary blowout preventer at a wellhead of an offshore platform diverter comprises the steps of lifting up a platform diverter insert pipe after the rotary blowout preventer is installed at the upper part of an annular blowout preventer, connecting the adjustable guide pipe tool in advance, then lowering the adjustable guide pipe tool through a wellhead air winch, pressing the adjustable guide pipe tool by using a PAKER (pneumatic tubing and pneumatic tubing) of the diverter wellhead after the adjustable guide pipe tool is lowered in place, completing installation of the adjustable guide pipe tool, lifting the adjustable guide pipe tool by using a drill floor air winch during installation of an assembly, relieving pressure of the diverter PAKER, and lifting up the adjustable guide pipe tool.
The invention has the beneficial effects that: when the offshore drilling platform with the diverter wellhead is used for pressure control drilling, underbalanced drilling and other operations, the adjustable guide pipe tool disclosed by the invention is utilized to realize the quick installation of the guide pipe matched with the rotary blowout preventer and the zero emission requirement of the wellhead in the wellhead operation process; the adjustable flow guide pipe tool saves the operation time, reduces the operation intensity, and realizes the on-site environment-friendly, safe and efficient operation.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of an upper draft tube according to the present invention;
FIG. 3 is a schematic view of the structure of the middle clamp tube of the present invention;
FIG. 4 is a schematic view of the structure of the lower base of the present invention;
FIG. 5 is a schematic view of the adjusting tube of the present invention;
in the figure: 1 is a drainage tube, 2 is a clamping tube, 3 is an adjusting tube, 4 is a base tool, and 5 is an outer casing tube.
For a person skilled in the art, other relevant figures can be obtained from the above figures without inventive effort.
Detailed Description
The technical solution of the present invention is further illustrated by the following specific examples.
Example one
An adjustable guide pipe tool for installing a rotary blowout preventer on a wellhead of a diverter of an offshore platform comprises a guide pipe 1, a clamping pipe 2 and a base tool 4,
the drainage tube 1 adopts a tubular structure with the upper part being funnel-shaped, a drainage tube quick connector is formed at the tail end of the drainage tube 1, a clamping pipe upper joint is formed at the head end of the clamping pipe 2, the tail end of the drainage pipe 1 is connected with the head end of the clamping pipe 2 through a drainage pipe quick joint and the clamping pipe upper joint, an outer sleeve 5 is sleeved in the middle of the clamping pipe 2, reinforcing ribs are uniformly distributed between the outer wall of the clamping pipe 2 and the inner wall of the outer sleeve 5, a discharge hole which penetrates through the clamping pipe is arranged on the clamping pipe at the joint of the clamping pipe 2 and the outer sleeve 5, a lower joint of the clamping pipe is formed at the tail end of the clamping pipe 2, a quick joint of the base tool is formed at the head end of the base tool 4, the tail end of the clamping pipe 2 is connected with the head end of the base tool 4 through the lower joint of the clamping pipe and the quick joint of the base tool, and the lower part of the base tool 4 is a base matched with the rotary blowout preventer.
Example two
On the basis of embodiment one, adjustable honeycomb duct instrument still includes adjusting tube 3, form an adjusting tube top connection at the head end of adjusting tube 3, it links to each other the tail end of centre gripping pipe 2 and the head end of adjusting tube 3 through adjusting tube top connection and centre gripping pipe lower clutch, form an adjusting tube lower clutch at the tail end of adjusting tube 3, it links to each other the tail end of adjusting tube 3 and the head end of base instrument 4 through adjusting tube lower clutch and base instrument quick-operation joint, and then the realization utilizes adjusting tube 3 to adjust the purpose of clamping part (promptly centre gripping pipe 2 and adjusting tube 3) height.
2 symmetrical adjusting pipe hoisting points are formed on the outer wall of the adjusting pipe 3.
2 symmetrical drainage tube hoisting points are formed at the head end of the outer wall of the drainage tube 1, and the drainage tube 1 is a tube body with the outer diameter of 13 inches.
The outer diameter of the clamping pipe 2 is 13 inches, and the outer diameter of the outer sleeve 5 is 24 inches.
The number of the drain holes is 4, and the drain holes are symmetrically arranged.
2 symmetrical clamping pipe hoisting points are formed on the outer wall of the outer sleeve 5 at the joint of the clamping pipe 2 and the outer sleeve 5.
2 symmetrical base tool hoisting points are formed on the outer wall of the base tool 4.
EXAMPLE III
A method for using an adjustable guide pipe tool for installing a rotary blowout preventer at a wellhead of an offshore platform diverter comprises the steps of lifting up a platform diverter insert pipe after the rotary blowout preventer is installed at the upper part of an annular blowout preventer, connecting the adjustable guide pipe tool in advance, then lowering the adjustable guide pipe tool through a wellhead air winch, pressing the adjustable guide pipe tool by using a PAKER (pneumatic tubing and pneumatic tubing) of the diverter wellhead after the adjustable guide pipe tool is lowered in place, completing installation of the adjustable guide pipe tool, lifting the adjustable guide pipe tool by using a drill floor air winch during installation of an assembly, relieving pressure of the diverter PAKER, and lifting up the adjustable guide pipe tool.
Spatially relative terms, such as "upper," "lower," "left," "right," and the like, may be used in the embodiments for ease of description to describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "lower" can encompass both an upper and a lower orientation. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
Moreover, relational terms such as "first" and "second," and the like, may be used solely to distinguish one element from another element having the same name, without necessarily requiring or implying any actual such relationship or order between such elements.
The present invention has been described in detail, but the above description is only a preferred embodiment of the present invention, and is not to be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (9)
1. An adjustable nozzle tool for installing a rotary blowout preventer at a wellhead of an offshore platform diverter, characterized in that: comprises a drainage tube, a clamping tube and a base tool,
the drainage tube adopts a funnel-shaped tubular structure at the upper part, a drainage tube quick connector is formed at the tail end of the drainage tube, an upper connector of a clamping tube is formed at the head end of the clamping tube, the tail end of the drainage tube is connected with the head end of the clamping tube through the drainage tube quick connector and the upper connector of the clamping tube, an outer sleeve is sleeved at the middle part of the clamping tube, reinforcing ribs are uniformly distributed between the outer wall of the clamping tube and the inner wall of the outer sleeve, a drainage hole penetrating through the clamping tube is formed on the clamping tube at the connecting part of the clamping tube and the outer sleeve, a lower connector of the clamping tube is formed at the tail end of the clamping tube, a quick connector of a base tool is formed at the head end of the base tool, and the tail end of the clamping tube is connected with the head end of the base tool through the lower connector of the clamping tube and the quick connector of the base tool, the lower part of the base tool is a base matched with the rotary blowout preventer.
2. The adjustable nozzle tool for offshore platform diverter wellhead installation rotary blowout preventers according to claim 1, wherein: adjustable honeycomb duct instrument still includes the adjustment pipe the head end of adjustment pipe forms an adjustment pipe top connection, through adjustment pipe top connection with the centre gripping pipe lower clutch will the tail end of centre gripping pipe with the head end of adjustment pipe links to each other the tail end of adjustment pipe forms an adjustment pipe lower clutch, through adjustment pipe lower clutch with base instrument quick-operation joint will the tail end of adjustment pipe with the head end of base instrument links to each other, and then realizes utilizing the adjustment pipe to adjust the purpose of clamping part height.
3. The adjustable nozzle tool for offshore platform diverter wellhead installation rotary blowout preventers according to claim 2, wherein: 2 symmetrical adjusting pipe hoisting points are formed on the outer wall of the adjusting pipe.
4. The adjustable nozzle tool for offshore platform diverter wellhead installation rotary blowout preventers according to claim 1, wherein: 2 symmetrical drainage tube hoisting points are formed at the head end of the outer wall of the drainage tube, and the drainage tube is a tube body with the outer diameter of 13 inches.
5. The adjustable nozzle tool for offshore platform diverter wellhead installation rotary blowout preventers according to claim 1, wherein: the centre gripping pipe adopts the external diameter to be 13 cuns bodys, outer sleeve pipe adopts the external diameter to be 24 cuns bodys.
6. The adjustable nozzle tool for offshore platform diverter wellhead installation rotary blowout preventers according to claim 1, wherein: the number of the drain holes is 4, and the drain holes are symmetrically arranged.
7. The adjustable nozzle tool for offshore platform diverter wellhead installation rotary blowout preventers according to claim 1, wherein: 2 symmetrical clamping pipe hoisting points are formed on the outer wall of the outer sleeve at the joint of the clamping pipe and the outer sleeve.
8. The adjustable nozzle tool for offshore platform diverter wellhead installation rotary blowout preventers according to claim 1, wherein: 2 symmetrical base tool hoisting points are formed on the outer wall of the base tool.
9. Use of an adjustable nozzle tool for offshore platform diverter wellhead installation of rotary blowout preventers according to any of claims 1 to 8, characterised in that: after the rotary blowout preventer is installed on the upper portion of the annular blowout preventer, the platform diverter insert pipe is lifted up and taken out, the adjustable diversion pipe tool is connected in advance, the adjustable diversion pipe tool is lowered into the wellhead air winch, after the adjustable diversion pipe tool is lowered into place, the PAKER on the wellhead of the diverter is used for pressing and sealing the adjustable diversion pipe tool, installation of the adjustable diversion pipe tool is completed, the adjustable diversion pipe tool is hung by the rig floor air winch when the assembly is installed, the diverter PAKER is decompressed, and the adjustable diversion pipe tool is lifted up and taken out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027520.6A CN114542004A (en) | 2022-01-11 | 2022-01-11 | Adjustable guide pipe tool for installing rotary blowout preventer on wellhead of offshore platform diverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210027520.6A CN114542004A (en) | 2022-01-11 | 2022-01-11 | Adjustable guide pipe tool for installing rotary blowout preventer on wellhead of offshore platform diverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114542004A true CN114542004A (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210027520.6A Pending CN114542004A (en) | 2022-01-11 | 2022-01-11 | Adjustable guide pipe tool for installing rotary blowout preventer on wellhead of offshore platform diverter |
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| CN (1) | CN114542004A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116411838A (en) * | 2023-06-09 | 2023-07-11 | 西南石油大学 | Shallow gas recovery and diversion structure for offshore oil drilling |
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|---|---|---|---|---|
| GB206626A (en) * | 1922-09-08 | 1923-11-15 | Joseph Streda | Improvements in casing-heads for oil wells |
| CN101818627A (en) * | 2010-04-20 | 2010-09-01 | 中国海洋石油总公司 | Safety device of floating drilling platform on sea during typhoon or hurricane |
| CN102080510A (en) * | 2010-12-22 | 2011-06-01 | 中国海洋石油总公司 | Submarine mud suction system and method for realizing marine riser-free mud reclamation well drilling |
| CN203257349U (en) * | 2013-02-20 | 2013-10-30 | 中国海洋石油总公司 | Ocean module drill rig slurry backflow device |
| CN203847038U (en) * | 2014-05-13 | 2014-09-24 | 中国石油化工股份有限公司 | Drilling wellhead overflow-proof pipe |
| CN105089542A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Hydraulic self-locking quick-mounting blowout prevention device and method |
| CN107503703A (en) * | 2017-10-11 | 2017-12-22 | 中国海洋石油总公司 | A kind of module drilling machine batch drilling well-head design and assembly and disassembly methods |
| CN110886589A (en) * | 2019-10-30 | 2020-03-17 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | System and method for preventing slurry leakage of rotary blowout preventer |
| WO2021002809A2 (en) * | 2019-07-04 | 2021-01-07 | Ptt Exploration And Production Public Company Limited | A wellhead riser connectable to the device for testing and direct monitoring the connection efficacy of said wellhead riser to the wellhead |
| CN212927788U (en) * | 2020-07-06 | 2021-04-09 | 中国石油天然气股份有限公司 | Oil pipe anti-overflow instrument |
| CN112983332A (en) * | 2021-04-16 | 2021-06-18 | 河北华北石油荣盛机械制造有限公司 | Rebuild well head emergency rescue device |
-
2022
- 2022-01-11 CN CN202210027520.6A patent/CN114542004A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB206626A (en) * | 1922-09-08 | 1923-11-15 | Joseph Streda | Improvements in casing-heads for oil wells |
| CN101818627A (en) * | 2010-04-20 | 2010-09-01 | 中国海洋石油总公司 | Safety device of floating drilling platform on sea during typhoon or hurricane |
| CN102080510A (en) * | 2010-12-22 | 2011-06-01 | 中国海洋石油总公司 | Submarine mud suction system and method for realizing marine riser-free mud reclamation well drilling |
| CN203257349U (en) * | 2013-02-20 | 2013-10-30 | 中国海洋石油总公司 | Ocean module drill rig slurry backflow device |
| CN105089542A (en) * | 2014-05-09 | 2015-11-25 | 中国石油化工股份有限公司 | Hydraulic self-locking quick-mounting blowout prevention device and method |
| CN203847038U (en) * | 2014-05-13 | 2014-09-24 | 中国石油化工股份有限公司 | Drilling wellhead overflow-proof pipe |
| CN107503703A (en) * | 2017-10-11 | 2017-12-22 | 中国海洋石油总公司 | A kind of module drilling machine batch drilling well-head design and assembly and disassembly methods |
| WO2021002809A2 (en) * | 2019-07-04 | 2021-01-07 | Ptt Exploration And Production Public Company Limited | A wellhead riser connectable to the device for testing and direct monitoring the connection efficacy of said wellhead riser to the wellhead |
| CN110886589A (en) * | 2019-10-30 | 2020-03-17 | 中国石油集团川庆钻探工程有限公司工程技术研究院 | System and method for preventing slurry leakage of rotary blowout preventer |
| CN212927788U (en) * | 2020-07-06 | 2021-04-09 | 中国石油天然气股份有限公司 | Oil pipe anti-overflow instrument |
| CN112983332A (en) * | 2021-04-16 | 2021-06-18 | 河北华北石油荣盛机械制造有限公司 | Rebuild well head emergency rescue device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116411838A (en) * | 2023-06-09 | 2023-07-11 | 西南石油大学 | Shallow gas recovery and diversion structure for offshore oil drilling |
| CN116411838B (en) * | 2023-06-09 | 2023-08-15 | 西南石油大学 | Shallow gas recovery and diversion structure for offshore oil drilling |
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Application publication date: 20220527 |
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